Downpipe vs cat. back systems - Saab 9000 Bulletin Board - Saabnet.com
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Downpipe vs cat. back systems
Posted by SWEDISH DYNAMICS (more from SWEDISH DYNAMICS) on Wed, 17 Nov 2004 18:49:45
In Reply to: What would happen if..., adel, Wed, 17 Nov 2004 11:32:18
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Adel,
Hope all's well with you.
Although there could be an improvement seen through use of a less restrictive downpipe (pipe between turbocharger and cc), our dyno testing shows that a majority of BHP improvement would come through a reduction of restrictions after the CC (mid muffler and rear muffler). For most street modified 9000, we find a 4-6 BHP improvement through downpipe enhancement and typically 7-11 BHP provisions through a less restrictive system behind the CC (catalytic converter). A CC upgrade may only render a 3-4 BHP gain.
Best of luck and best regards,
GSK at SWEDISH DYNAMICS,INC.
posted by 152.163.10...
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